33030320212 has 12 divisors (see below), whose sum is σ = 57804426036. Its totient is φ = 16514769920.

The previous prime is 33030320207. The next prime is 33030320227. The reversal of 33030320212 is 21202303033.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7271996176 + 25758324036 = 85276^2 + 160494^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 33030320212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181818 + ... + 314830.

It is an arithmetic number, because the mean of its divisors is an integer number (4817035503).

Almost surely, 2^33030320212 is an apocalyptic number.

It is an amenable number.

33030320212 is a deficient number, since it is larger than the sum of its proper divisors (24774105824).

33030320212 is a wasteful number, since it uses less digits than its factorization.

33030320212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195098 (or 195096 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 19.

Adding to 33030320212 its reverse (21202303033), we get a palindrome (54232623245).

The spelling of 33030320212 in words is "thirty-three billion, thirty million, three hundred twenty thousand, two hundred twelve".